Here is the full list of all 50 Lost Planet 3 achievements.
Won every Scenario.
Destroyed Satellite Array.
Won 25 Multiplayer Matches.
Killed 20 Wardeyes during a multiplayer Research Lab Akrid Survival match.
Delivered the T-Eng Canister to win a multiplayer Quarantine Scenario match.
Delivered the T-Eng Canister 3 times during a multiplayer Alpha Lair Scenario match.
Delivered The T-Eng Canister 2 times during a multiplayer Outpost Scenario match.
Finished the Game on Hard Difficulty.
Unlocked all Sphere Cells.
Unlocked 30 Sphere Cells.
Finished Kovac's Quests.
Found all Mementos.
Found all Logs.
Purchased all Ethologist Upgrades.
Found 50% of Logs.
Discovered the Lost Contractor's Fate.
Fully Unlocked Bestiary.
Planted every Post.
Tagged an Albino Tarkaa.
Bought every Weapon and Rig Upgrade.
Perform your first Stealth Kill in a Multiplayer Game.
Get a kill while on the Battlecat.
Unlocked Sphere Cell.
Won a Multiplayer Match.
Found a Memento.
Finished the Game on Any Difficulty.
Stopped Isenberg for Good.
Watched Coronis Fall.
Defeated Laroche.
Discovered Nushi.
Restored the Fueling Depot.
Killed the Gorevorgg.
Took Storm Readings.
Completed Deep Core Drilling.
Stopped the Akrid infestation.
Opened the Armory.
Returned the Medicine.
Killed a Cat-G Akrid with the Rig.
Found a Mysterious Structure.
Purchase First Rig Upgrade.
Brought the Com-Dish Online.
First Weapon Upgrade Purchased.
Planted your First T-Post.
Rescued the Trapped Scientists.
Secured the Moorings.
Emptied your First T-Post.
Defended Laroche.
Got your Rig.
Found a Log.
Saved by Laroche.